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su bei zuo zuo ao xian dai nan zu yi duan ci sheng kong xi xing cheng yu fen bu te zheng
Author(s): 
Pages: 24-31
Year: Issue:  2
Journal: Sedimentary Geology and Tethyan Geology

Keyword:  次生孔隙成因分布苏北溱潼凹陷戴南组一段;
Abstract: 次生孔隙是戴南组一段(E2d1)砂岩储层的主要孔隙类型,其分布与油气聚集关系密切。本文在沉积、成岩作用研究基础上,探讨了次生孔隙成因机理,指出有机酸的溶解作用是形成戴南组一段次生孔隙的主要原因,并根据有机质成熟生烃和粘土矿物的转变导致的泥岩压实异常特征,进行次生孔隙的横向分布预测,取得了凹陷不同构造带次生孔隙分布与油气聚集规律的新认识。
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